Section 1: Assembly & Set-up
OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M
6/11/21
12
Tractor Requirements
Tractor horsepower should be within the range noted
below. Tractors outside the horsepower range must not
be used.
Hitch category . . . . . . . . . . . . . . . . 3-Point Cat. I or II
Power take-off Speed . . . . . . . . . . . . . . . . . . 540 rpm
Horsepower requirements:
Minimum . . . . . . . . . . . . . . . . . . . . . 70 hp (52 kW)
Maximum . . . . . . . . . . . . . . . . . . . . 130 hp (97 kW)
Hydraulic Outlets . . . . . . . . . . . . . Two duplex outlets
Tractor weight . . . See
Weight Requirements
WARNING
!
To prevent serious injury or death:
•
Lightweight tractors with rear attached implements may
need weights added to the front to maintain steering control.
Consult your tractor Operator’s Manual to determine
proper weight requirements and maximum weight
“Tractor & Tire Load Capacities”
on page 28 for
detailed instructions on how to evaluate your tractor to
verify if it can support the implement weigh and if
additional weights are needed to maintain control.
Torque Requirements
Refer to
“Torque Values Chart”
on page 61 to determine
correct torque values when tightening hardware.
Before You Start
Make sure the intended power machine conforms to the
requirements provided on this page. Also, read and
understand this Operator’s Manual for your Offset Flail
Mower. An understanding of how it works will aid in its
assembly and set-up.
Go through the
before assembling the Offset Flail Mower. To speed up
your assembly task and to make the job safer, have all
needed parts and equipment readily at hand.
Tractor Shutdown Procedure
The following are basic tractor shutdown procedures.
Follow these procedures and any additional shutdown
procedures provided in your tractor Operator’s Manual
before leaving the operator’s seat.
1. Reduce engine speed and disengage power take-off
if engaged.
2. Park tractor and implement on level, solid ground.
3. Lower implement to ground or onto non-concrete
support blocks.
4. Put tractor in park or set the park brake, turn off the
engine, and remove the switch key to prevent
unauthorized starting.
5. Relieve all hydraulic pressure to auxiliary hydraulic
lines.
6. Wait for all components to come to a complete stop
before leaving the operator’s seat.
7.
Use steps, grab-handles and anti-slip surfaces when
stepping on and off the tractor.
Assembly Checklist
Check
Ref.
Have a hoist, fork lift, or loader with properly sized chains and
safety stands capable of lifting and supporting the equipment
on hand.
Have a minimum of two people available during assembly.
Make sure all major components and loose
parts are shipped with the machine.
Assembly
& Set-up
Double check to make sure all parts, fasteners,
and pins are installed in the correct location.
Refer to the Parts Manual if unsure.
NOTE:
All assembled hardware from the factory
has been installed in the correct location.
Remember location of a part or fastener if
removed. Keep parts separated.
Operator’s
Manual
333-149M
Parts Manual
333-149P
Make sure working parts move freely, bolts are
tight & cotter pins are spread.
Operator’s
Manual
Make sure all safety labels are correctly located
and legible. Replace if damaged.
Make sure all grease fittings are in place and
lubricated.
Section 1: Assembly & Set-up
